Four people died in separate shootings across Chicago over the weekend.

Around 1:13 a.m. on Sunday, a person wearing all black committed the most recent deadly shooting. The suspect shot two men—35 and 36 year-olds—in the 5200 block of South Troy Street, according to Chicago Sun Times based on information from law enforcement.

The Chicago Police told the media outlet that the 35-year-old victim was taken to the Mount Sinai Hospital to treat his multiple gunshot wound. The victim did not survive and was pronounced dead by the hospital.

The 36-year-old victim suffered gunshot wounds in his legs. He was also transported to Mount Sinai Hospital for treatment. The victim is now in good condition.

Around 11:05 p.m. on Saturday, the Chicago Police found a shooting victim on the front steps of a home in the 9200 block of South Eggleston Avenue. e

The 27-year old suffered gunshot wounds to his chest, back and legs, and was taken the Christ Medical Center in Oak Lawn where he was pronounced dead.

Around 2:30 a.m. on Saturday, a 30-year-old man identified as Eric Chapman Jr. was shot and killed during an argument with another man in1600 block of West 35th Street.

According to the Chicago Police, the suspect pulled out a gun and shot Chapman in the chest. The victim was taken to the Stroger Hospital where he was pronounced dead.

The Cook County medical examiner’s office performed an autopsy and ruled that Chapman’s death as a homicide.

Around 11:45 p.m. on Friday, the Chicago Police said a 35-year-old male who was a victim of a shooting was dropped off at the Holy Cross Hospital where he was pronounced dead. The victim was involved in an argument in the block of West 61st Street where he was shot on his chest.

Chicago Police detectives are investigating the shootings and have not arrested any suspect.